| $1B | ||
| $140M | ||
| $58M | ||
| $50M | ||
| $40M | ||
| $38M |
Buys | $47,323,567 | 23 | 96 |
Sells | $50,001 | 1 | 4 |
| SEDAGHAT SHAWN | 10 | $46.24M | 0 | $0 | $46.24M | |
| Parker Herbert K | director | 1 | $304,128 | 0 | $0 | $304,128 |
| Finley Teresa | director | 1 | $303,866 | 0 | $0 | $303,866 |
| SHAPIRA ADRIANNE | director | 2 | $134,864 | 0 | $0 | $134,864 |
| Fielkow Jeffrey A | director | 3 | $127,360 | 0 | $0 | $127,360 |
| Tredwell Daniel P | director | 5 | $112,571 | 0 | $0 | $112,571 |
| Boehne Holly M | director | 1 | $99,922 | 0 | $0 | $99,922 |
| Mell Scott A | Chief Financial Officer | 0 | $0 | 1 | $50,001 | $-50,001 |
TriMas Corporation designs, develops, manufactures, and sells products for consumer products, aerospace, and industrial markets worldwide. It operates through three segments: Packaging, Aerospace, and Specialty Products. The Packaging segment offers dispensing products, such as foaming and sanitizer pumps, lotion and hand soap pumps, beverage dispensers, perfume sprayers, and nasal and trigger sprayers; polymeric and steel caps and closures comprising food lids, flip-top and beverage closures, child resistance caps, drum and pail closures, flexible spouts, and agricultural closures; polymeric jar products; integrated dispensers; bag-in-box products; aseptic closures; industrial closures and flex spouts; custom injection molded components and devices; various injection molded products; and single-bodied and assembled caps and closures under the Rieke, Taplast, Affaba & Ferrari, Stolz, Omega, and Rapak brands. The Aerospace segment provides fasteners, collars, blind bolts, rivets, ducting, and connectors for air management systems, and machined parts and components to original equipment manufacturers, supply chain distributors, MRO/aftermarket providers, and tier one suppliers; and military and defense aerospace applications and platforms under the Monogram Aerospace Fasteners, Allfast Fastening Systems, Mac Fasteners, TFI Aerospace, RSA Engineered Products, and Martinic Engineering brands. The Specialty Products segment offers steel cylinders for use in the transportation, storage, and dispensing of compressed gases under the Norris Cylinder brand; natural gas powered wellhead engines, compressors, and replacement parts for oil and natural gas production, and other industrial and commercial markets under the Arrow brand; and spare parts for various industrial engines. The company sells its products through a direct sales force, third-party agents, and distributors. TriMas Corporation was incorporated in 1986 and is headquartered in Bloomfield Hills, Michigan.
Over the last 12 months, insiders at TriMas Corporation have bought $47.32M and sold $50,001 worth of TriMas Corporation stock.
On average, over the past 5 years, insiders at TriMas Corporation have bought $12.23M and sold $1.47M worth of stock each year.
Highest buying activity among insiders over the last 12 months: SEDAGHAT SHAWN () — $46.24M. Parker Herbert K (director) — $304,128. Finley Teresa (director) — $303,866.
The last purchase of 74 shares for transaction amount of $2,351 was made by Tredwell Daniel P (director) on 2025‑11‑12.
| 2025-11-12 | Tredwell Daniel P | director | 73.6 0.0002% | $31.94 | $2,351 | +7.87% | ||
| 2025-11-11 | Fielkow Jeffrey A | director | 2,000 0.005% | $31.46 | $62,920 | +8.43% | ||
| 2025-08-11 | Tredwell Daniel P | director | 66.36 0.0002% | $35.39 | $2,348 | +4.33% | ||
| 2025-06-05 | SHAPIRA ADRIANNE | director | 4,000 0.0099% | $25.82 | $103,292 | +36.60% | ||
| 2025-06-04 | SHAPIRA ADRIANNE | director | 1,200 0.003% | $26.31 | $31,572 | +36.23% | ||
| 2025-05-22 | SEDAGHAT SHAWN | 72,937 0.18% | $26.16 | $1.91M | +33.75% | |||
| 2025-05-21 | SEDAGHAT SHAWN | 410,172 1.0003% | $25.43 | $10.43M | +35.95% | |||
| 2025-05-20 | SEDAGHAT SHAWN | 104,957 0.2569% | $25.70 | $2.7M | +34.98% | |||
| 2025-05-19 | SEDAGHAT SHAWN | 254,400 0.6154% | $25.39 | $6.46M | +35.02% | |||
| 2025-05-19 | Fielkow Jeffrey A | director | 500 0.0012% | $24.98 | $12,490 | +35.02% | ||
| 2025-05-12 | Tredwell Daniel P | director | 94.85 0.0002% | $24.72 | $2,344 | +41.50% | ||
| 2025-05-01 | SEDAGHAT SHAWN | 16,930 0.0413% | $23.99 | $406,100 | +42.05% | |||
| 2025-04-30 | SEDAGHAT SHAWN | 123,388 0.3003% | $23.83 | $2.94M | +42.93% | |||
| 2025-03-10 | SEDAGHAT SHAWN | 554,149 1.3611% | $24.07 | $13.34M | +34.53% | |||
| 2025-03-07 | SEDAGHAT SHAWN | 249,597 0.6161% | $23.83 | $5.95M | +33.00% | |||
| 2025-03-06 | Sale | Mell Scott A | Chief Financial Officer | 2,218.22 0.0054% | $22.54 | $50,001 | +39.90% | |
| 2025-03-06 | Tredwell Daniel P | director | 95.62 0.0002% | $22.78 | $2,178 | +39.90% | ||
| 2025-03-05 | SEDAGHAT SHAWN | 2,909 0.0068% | $21.83 | $63,514 | +40.94% | |||
| 2025-03-04 | SEDAGHAT SHAWN | 94,319 0.2318% | $21.72 | $2.05M | +46.58% | |||
| 2025-03-04 | Boehne Holly M | director | 4,650 0.0113% | $21.49 | $99,922 | +46.58% |
| SEDAGHAT SHAWN | 1883758 4.6346% | $65.4M | 10 | 0 | ||
| Parker Herbert K | director | 65769 0.1618% | $2.28M | 8 | 2 | <0.0001% |
| Tredwell Daniel P | director | 60483 0.1488% | $2.1M | 16 | 34 | +0.29% |
| Finley Teresa | director | 54351 0.1337% | $1.89M | 7 | 0 | <0.0001% |
| Mell Scott A | Chief Financial Officer | 26288 0.0647% | $912,711.76 | 0 | 9 | |
| Boehne Holly M | director | 25353 0.0624% | $880,256.16 | 2 | 0 | +37.89% |
| Fielkow Jeffrey A | director | 17653 0.0434% | $612,912.16 | 5 | 0 | +5.39% |
| SHAPIRA ADRIANNE | director | 8476 0.0209% | $294,286.72 | 2 | 0 | |
| HEARTLAND INDUSTRIAL ASSOCIATES LLC | 10 percent owner | 2404972 5.9169% | $83.5M | 15 | 12 | +157.49% |
| Wathen David M | President and CEO | 393213 0.9674% | $13.65M | 5 | 3 | +164.84% |
| AMATO THOMAS A | President and CEO | 327335 0.8053% | $11.37M | 8 | 9 | +16.35% |
| BEARD GRANT H | President and CEO | 190400 0.4684% | $6.61M | 8 | 0 | +95.56% |
| MILLER EUGENE A | director | 99425 0.2446% | $3.45M | 2 | 1 | +218.8% |
| Zeffiro A Mark | Executive Vice President & CFO | 58779 0.1446% | $2.04M | 7 | 11 | +110.75% |
| Zalupski Robert J | Chief Financial Officer | 54085 0.1331% | $1.88M | 6 | 36 | +55% |
| COHEN MARSHALL A | director | 42041 0.1034% | $1.46M | 0 | 3 | |
| Schwartz Edward L | Executive Vice President | 29600 0.0728% | $1.03M | 6 | 0 | +73.87% |
| Brooks Lynn A | President - Packaging Systems | 29283 0.072% | $1.02M | 1 | 19 | <0.0001% |
| Swart Paul | Chief Accounting Officer | 26749 0.0658% | $928,725.28 | 1 | 11 | +3.31% |
| Benson Thomas M | President Cequent Performance | 26190 0.0644% | $909,316.80 | 0 | 7 | |
| Gougarty Nancy | director | 24403 0.06% | $847,272.16 | 0 | 4 | |
| Salik Fabio Leandro Matheus | President, TriMas Packaging | 22056 0.0543% | $765,784.32 | 1 | 0 | +15.26% |
| Sherbin Joshua A | Senior Vice Pres & Gen Counsel | 19829 0.0488% | $688,462.88 | 4 | 26 | +166.52% |
| GREENE JEFFREY M | director | 16488 0.0406% | $572,463.36 | 0 | 2 | |
| Schaefer John Philip | President, TriMas Aerospace | 11087 0.0273% | $384,940.64 | 0 | 1 | |
| Paulsen Jeffrey B | President - Energy/Industrial | 10000 0.0246% | $347,200.00 | 1 | 0 | |
| Autry Elvin R Jr | Chief Financial Officer | 8325 0.0205% | $289,044.00 | 1 | 0 | |
| Valenti Samuel III | Chairman | 8148 0.02% | $282,898.56 | 10 | 15 | +64.29% |
| CAMPBELL BRIAN P/ | director | 2000 0.0049% | $69,440.00 | 1 | 0 | |
| Gabrys Richard Marcel | director | 2000 0.0049% | $69,440.00 | 1 | 0 |
$6,529,391 | 100 | 11.74% | $746.29M | |
$21,659,143 | 95 | 9.29% | $3.4B | |
TriMas Corporation (TRS) | $4,349,482 | 82 | 68.99% | $1.41B |
$9,611,154 | 80 | 8.85% | $6.14B | |
$15,082,827 | 58 | -2.66% | $15.03B | |
$8,388,996 | 57 | -1.85% | $2.37B | |
$38,081,311 | 44 | 38.62% | $477.57M | |
$2,228,731 | 27 | 12.61% | $19.91B | |
$1,170,127 | 19 | 19.82% | $501.48M | |
$1,695,365 | 18 | 49.91% | $4.51B | |
$4,691,741 | 15 | 15.76% | $12.13B | |
$1,947,608 | 14 | 25.77% | $18.9B | |
$23,748,097 | 14 | -34.09% | $9.12M | |
$1,591,268 | 14 | 66.35% | $22.89B | |
$4,441,014 | 14 | -2.39% | $5.03B | |
$1,006,253 | 10 | 15.93% | $4.59B | |
$1,191,689 | 3 | 7.54% | $4.8B |
| Increased Positions | 114 | +58.46% | 8M | +21.51% |
| Decreased Positions | 85 | -43.59% | 7M | -18.92% |
| New Positions | 54 | New | 5M | New |
| Sold Out Positions | 14 | Sold Out | 2M | Sold Out |
| Total Postitions | 224 | +14.87% | 39M | +2.59% |
| Bank Of America Corp /De/ | $138,273.00 | 9.29% | 3.81M | +150,232 | +4.11% | 2025-09-30 |
| Vanguard Group Inc | $129,703.00 | 8.72% | 3.57M | -144,558 | -3.89% | 2025-09-30 |
| Capital International Investors | $104,881.00 | 7.05% | 2.89M | +3M | New | 2025-09-30 |
| Blackrock, Inc. | $90,917.00 | 6.11% | 2.51M | -104,466 | -4% | 2025-09-30 |
| Allspring Global Investments Holdings, Llc | $90,304.00 | 6.07% | 2.49M | -436,034 | -14.91% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $80,566.00 | 5.42% | 2.22M | -148,512 | -6.27% | 2025-09-30 |
| Pzena Investment Management Llc | $47,259.00 | 3.18% | 1.3M | -875,496 | -40.2% | 2025-09-30 |
| State Street Corp | $32,457.00 | 2.18% | 894,369 | -30,558 | -3.3% | 2025-09-30 |
| Massachusetts Financial Services Co /Ma/ | $32,163.00 | 2.16% | 886,271 | -94,264 | -9.61% | 2025-09-30 |
| Geode Capital Management, Llc | $31,780.00 | 2.14% | 875,737 | -17,080 | -1.91% | 2025-09-30 |